\documentclass{article}
\usepackage{amssymb,amsmath,amscd,concmath}
\pagestyle{empty}
\begin{document}
\begin{equation*}complicated = AAAAAARGHHHH
= AAAAAA + RGHHHH
= AA + AA + AA + R + G + HHHH
= car insurance + [[red]] + [[green]] + 2xHerman's Hermit's\end{equation*}
\end{document}
